Delmos Jones' Study of Voluntary Organizations Among an African-American Community

Delmos Jones' study of voluntary organizations among an African-American community in the United States showed him that:

A) No one worked consistently for the organizations unless they were paid for their work.
B) Voluntary organizations are highly successful when founded by minority leaders.
C) His work as a native anthropologist was at the center of the success the African-American community experienced in cultural identity.
D) There was considerable dissent between leadership of the organizations and the members.
E) Native anthropology has little or no value in the discipline.